Six dots 10% to 60% Normal Humidity Indicator Cards to Indicate Water Content of Products

Humidity Indicator Cards (HICs) provide a lowcost method of indicating humidity conditions inside a moisture barrier bag after vacuum packaging. The indicator spots on the HICs change color from blue to pink as humidity increases and from pink to blue as humidity decreases .

This is a colorchange reversible humidity indicator card that meets the requirements of military specifications mil-1-8335 and mil-p-116 method ii.this indicator card has 6 indicating spots10/20/30/40/50/60-percent rh, they change from blue dry to pink humid. A great tool to assist you in keeping your valuables protected